Bicycle frame



FIG. 1 is a top-right-front perspective view of a bicycle frame;

FIG. 2 is a front elevation view of the bicycle frame of FIG. 1;

FIG. 3 is a back elevation view of the bicycle frame of FIG. 1;

FIG. 4 is a right side elevation view of the bicycle frame of FIG. 1;

FIG. 5 is a left side elevation view of the bicycle frame of FIG. 1;

FIG. 6 is a top elevation view of the bicycle frame of FIG. 1;

FIG. 7 is a bottom elevation view of the bicycle frame of FIG. 1; and,

FIG. 8 is a right side elevation view of the bicycle frame of FIG. 1 similar to FIG. 4, but with additional subject matter illustrated in dashed broken lines.

The dashed broken lines in FIGS. 1–8 represent environmental subject matter and a portion of the bicycle frame that forms no part of the design.

A characteristic feature of the design resides in the outline of the design as observed from the left or right side elevation views. 

The ornamental design for a bicycle frame, as shown and described. 